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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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06-14-2012, 03:02 PM | #1 |
Not Yet Wild
Join Date: May 2012
Location: Terre Haute, IN
Posts: 23
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EZ GO RXV Hooked up radio now batteries quitting
2009 RXV 48V (4 batteries)
Ok so I knew better, but I hooked up my radio to the first battery in my rxv (12V) and also my lights. I installed light kit with turns, etc. Now I charge my cart up 100% and it runs as strong as ever, but once I get down to about half charge, it all of a sudden drops to zero charge and I have no juice to go. I've only had the cart for a short time and in the very beginning before the radio I could go two or three days on one charge, whether it be golfing, cruising the camp grounds, or both. So now I'm going to buy a 12V marine battery and move both my lights and my stereo over to the extra battery. (Note my stereo has no amplifier or anything extra so didn't expect too much draw) I want some suggestions on what I should do as far as getting everything back in line? Just put the cart back on charge once I change my wires over to the new battery? Or do I need to put the single battery that I've been pulling extra power for radio and lights on a seperate charger before I then try to recharge all 4? Any suggestions or comments? Thanks for any insight!!! |
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06-15-2012, 11:50 AM | #2 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: EZ GO RXV Hooked up radio now batteries quitting
Quote:
Wet-cell, lead-acid, deep cycle batteries last longer when they are kept charged to the highest State of Charge that is possible or practical. In a nutshell, if you use the cart during the day, it should be put on charge that night. Running it two or three days without charging and.or running the batteries down to 50% SoC is shortening their life expectancy. Here are a couple of charts, the first showing battery voltage vs SOC (after the batteries have rested for 12 hours) and the second is life expectancy vs average SOC. As for equalizing the batteries in you pack, measure the voltage of each and charge each separately until all of the voltages are close to equal. (+/- 0.05V or so) Then charge with 48V charger and remeasure the individual voltages about 12 hours after it automatically shuts off. If they aren't within about 0.1 volt, try charging the low one(s) some more with a 12V charger. |
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06-15-2012, 11:58 AM | #3 | |
Not Yet Wild
Join Date: May 2012
Location: Terre Haute, IN
Posts: 23
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Re: EZ GO RXV Hooked up radio now batteries quitting
Quote:
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07-15-2012, 01:22 PM | #4 |
Not Yet Wild
Join Date: Jul 2012
Posts: 2
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Re: EZ GO RXV Hooked up radio now batteries quitting
Indiana Brad -
I'm thinking that since your vehicle did not come stock with accesories(lights, signals, radio, etc) that it does not have a DC DC converter(voltage reducer). This will bring the 48v down to a usable 12v for accessories. (The converter has 12v output) It will also ensure that all batteries are pulled on equally and negate need for "extra" battery for accessories. |
07-15-2012, 02:44 PM | #5 |
Gone Wild
Join Date: Apr 2012
Location: Georgia
Posts: 378
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Re: EZ GO RXV Hooked up radio now batteries quitting
I have 2 RXV's and do not have a problem running accessories off of a single battery. The only difference I see is I run the accessories off the 2 or 3 battery. Not the 1 or 4 battery. I take my lifted cart with 23" tires with the family out for 30 mile rides with no problems. On and off road. Extra battery is just more weight your cart has to move. If problem continues I would get a DC-DC reducer 48volt-12volt. They can be found for about the price of a good marine grade battery.
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07-15-2012, 08:31 PM | #6 |
Just one day at a time
Join Date: Sep 2009
Location: South TX
Posts: 8,650
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Re: EZ GO RXV Hooked up radio now batteries quitting
What was your pack voltage before you charged it after it stopped? New batteries take some time to break in. They will get stronger as you charge them. A good rule of thumb is if you have pedal time for more then 10min CHARGE IT!
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